How to use the passport-oauth2.call function in passport-oauth2

function Strategy(options, verify) {
  options = options || {};
  options.authorizationURL = options.authorizationURL || 'https://accounts.google.com/o/oauth2/v2/auth';
  options.tokenURL = options.tokenURL || 'https://www.googleapis.com/oauth2/v4/token';

  OAuth2Strategy.call(this, options, verify);
  this.name = 'google';
  this._userProfileURL = options.userProfileURL || 'https://www.googleapis.com/oauth2/v3/userinfo';
  
  var url = uri.parse(this._userProfileURL);
  if (url.pathname.indexOf('/userinfo') == (url.pathname.length - '/userinfo'.length)) {
    this._userProfileFormat = 'openid';
  } else {
    this._userProfileFormat = 'google+'; // Google Sign-In
  }
}

options.state = true;
  options.botPrompt = _options.botPrompt || defaultOptions.botPrompt;
  options.scope = _options.scope || defaultOptions.scope;
  options.uiLocales = _options.uiLocales || defaultOptions.uiLocales;

  options.authorizationURL = options.authorizationURL || defaultOptions.authorizationURL;
  options.tokenURL = options.tokenURL || defaultOptions.tokenURL;

  if (!options.botPrompt) {
    delete options.botPrompt;
  }
  if (!options.uiLocales) {
    delete options.uiLocales;
  }

  OAuth2Strategy.call(this, options, verify);
  this.name = 'line';
  this._profileURL = options.profileURL || defaultOptions.profileURL;
  this._clientId = options.clientID;
  this._clientSecret = options.clientSecret;
  this._botPrompt = options.botPrompt;

  if (options.uiLocales) {
    this._uiLocales = options.uiLocales;
  }

  // this will specify whether to use an 'Authorize' header instead of passing the access_token as a query parameter (By node-oauth)
  // Use Authorization Header (Bearer with Access Token) for GET requests. Used to get User's profile.
  this._oauth2.useAuthorizationHeaderforGET(defaultOptions.useAuthorizationHeaderforGET);
}

function Strategy(options, verify) {
  options = options || {};
  options.authorizationURL = options.authorizationURL || 'https://github.com/login/oauth/authorize';
  options.tokenURL = options.tokenURL || 'https://github.com/login/oauth/access_token';
  options.scopeSeparator = options.scopeSeparator || ',';
  options.customHeaders = options.customHeaders || {};

  if (!options.customHeaders['User-Agent']) {
    options.customHeaders['User-Agent'] = options.userAgent || 'passport-github';
  }

  OAuth2Strategy.call(this, options, verify);
  this.name = 'github';
  this._userProfileURL = options.userProfileURL || 'https://api.github.com/user';
  this._oauth2.useAuthorizationHeaderforGET(true);
  
  // NOTE: GitHub returns an HTTP 200 OK on error responses.  As a result, the
  //       underlying `oauth` implementation understandably does not parse the
  //       response as an error.  This code swizzles the implementation to
  //       handle this condition.
  var self = this;
  var _oauth2_getOAuthAccessToken = this._oauth2.getOAuthAccessToken;
  this._oauth2.getOAuthAccessToken = function(code, params, callback) {
    _oauth2_getOAuthAccessToken.call(self._oauth2, code, params, function(err, accessToken, refreshToken, params) {
      if (err) { return callback(err); }
      if (!accessToken) {
        return callback({
          statusCode: 400,

function Strategy(options, verify) {
  options = options || {};
  this._baseURL = options.baseURL || 'https://gitlab.com';
  options.authorizationURL = options.authorizationURL || url.resolve(this._baseURL, 'oauth/authorize');
  options.tokenURL = options.tokenURL || url.resolve(this._baseURL, 'oauth/token');
  options.scope = options.scope || 'read_user';
  options.scopeSeparator = options.scopeSeparator || ',';

  OAuth2Strategy.call(this, options, verify);
  this.name = 'gitlab';
  this._profileURL = options.profileURL || url.resolve(this._baseURL, 'api/v4/user');
  this._oauth2.useAuthorizationHeaderforGET(true);
}

function MovesStrategy(options, verify) {
  options = options || {};

  options.authorizationURL = config.moves.authorization_url;
  options.tokenURL = config.moves.token_url;

  OAuth2Strategy.call(this, options, verify);

  this.name = 'moves';
  this._limiter = new MovesLimiter();
}

function MicrosoftStrategy(options, verify) {
    options = options || {}
    options.authorizationURL = options.authorizationURL || 'https://login.microsoftonline.com/common/oauth2/v2.0/authorize';
    options.tokenURL = options.tokenURL || 'https://login.microsoftonline.com/common/oauth2/v2.0/token';
    options.scopeSeparator = options.scopeSeparator || ' ';
    options.customHeaders = options.customHeaders || {};

    OAuth2Strategy.call(this, options, verify)
    this.name = 'microsoft'
}

function Strategy(options, verify) {
  options = options || {};
  options.authorizationURL = options.authorizationURL || 'https://login.live.com/oauth20_authorize.srf';
  options.tokenURL = options.tokenURL || 'https://login.live.com/oauth20_token.srf';
  
  OAuth2Strategy.call(this, options, verify);
  this.name = 'windowslive';
  this._userProfileURL = options.userProfileURL || 'https://apis.live.net/v5.0/me';
}

function Strategy(options, verify) {
  options = options || {}
  options.authorizationURL = options.authorizationURL || 'https://api.veritone.com/v1/admin/oauth/authorize';
  options.tokenURL = options.tokenURL || 'https://api.veritone.com/v1/admin/oauth/token';
  options.scopeSeparator = options.scopeSeparator || ' ';
  OAuth2Strategy.call(this, options, verify);
  this.name = 'veritone';
  this._profileUrl = options.profileUrl || 'https://api.veritone.com/v1/admin/current-user';
  this._oauth2.useAuthorizationHeaderforGET(true)
}

function FacebookTokenStrategy(options, verify) {
  options = options || {};
  options.authorizationURL = options.authorizationURL || 'https://www.facebook.com/v2.2/dialog/oauth';
  options.tokenURL = options.tokenURL || 'https://graph.facebook.com/oauth/access_token';
  options.scopeSeparator = options.scopeSeparator || ',';

  OAuth2Strategy.call(this, options, verify);

  this.name = 'facebook-token';
  this._accessTokenField = options.accessTokenField || 'access_token';
  this._refreshTokenField = options.refreshTokenField || 'refresh_token';
  this._passReqToCallback = options.passReqToCallback;
  this._profileURL = options.profileURL || 'https://graph.facebook.com/v2.2/me';
  this._clientSecret = options.clientSecret;
  this._enableProof = options.enableProof;
  this._profileFields = options.profileFields || null;
  this._oauth2._useAuthorizationHeaderForGET = false;
}